<div class="control-group">
    <?php echo form_open('admin/add_semester'); ?>
    <label class="control-label" for="input01">Semester</label>
    <div class="controls">
        <input id="input01" class="input-xlarge" type="text" name="data">
        <p class="help-block">Ketikkan data di kolom di atas.</p>
        <button class="btn btn-primary" href="#"><i class="icon-plus icon-white"></i> Tambah</button>
    </div>
    <?php echo form_close() ?>
</div>